How the Universe Works

Season 2 Episode 7: Asteroids - Worlds That Never Were

Asteroids wiped out the dinosaurs and may be back for us but they also built the Earth and may have brought life to its barren surface. Asteroids will shape our future as much as our past and scientists are striving to unlock their secrets.

Genre:

Documentary

Seasons:

11

Episodes:

93

Cast:

Quality:

HD

Duration:

42 min

First Air:

2010

Rating:

8.3